Finding the Third Proportional to 207,135 and 307,786.50

Step by Step Solution

1. Step 1: Write the proportion equation
   207,135 : 307,786.50 = 307,786.50 : x
2. Step 2: Convert to fraction form
   207,135/307,786.50 = 307,786.50/x
3. Step 3: Cross multiply
   207,135x = 307,786.50 × 307,786.50
4. Step 4: Simplify right side
   207,135x = 94,732,529,582.25
5. Step 5: Solve for x
   x = 94,732,529,582.25/207,135
6. Step 6: Final answer
   x = 457,346.80